-Let's Fried egg-

void setup(){
size(200,200);
}
void draw(){
background(225);
 triangle(170,0,190,0,190,200);
line(170,mouseY,190,mouseY);
  if(50<mouseY<200){
    drawEgg();
 }
}
void drawEgg(){
fill(mouseY+160);
ellipse(90,100,140,140);
fill(205,50,10);
ellipse(90,100,50,50);
}